Merge pull request #115 from simonpasquier/fix-grep-cmd

chore: fix grep command

Author: simonpasquier

.github/workflows/cmo-make-targets.yaml

@@ -48,9 +48,9 @@ jobs:
       run: make ${{ inputs.make-targets }}
     - name: Ignore if change is only in jsonnetfile.lock.json
       run: |
-        # Reset jsonnetfile.lock.json if no dependencies were updated
-        changedFiles=$(git diff --name-only | grep -cv 'jsonnetfile.lock.json')
-        if [[ "$changedFiles" -eq 0 ]]; then
+        # Reset jsonnetfile.lock.json if no dependencies were updated.
+        # grep returns 0 when it matches at least 1 line in the diff output.
+        if ! git diff --name-only | grep -qv 'jsonnetfile.lock.json'; then
           git checkout -- jsonnet/jsonnetfile.lock.json;
         fi
     - name: get pr creation app token